docs: def coverage(self,
                   container: Container,
                   tests: Optional[Iterable[TestCase]] = None,
                   *,
                   instrument: bool = True
                   ) -> TestSuiteCoverage:
          """
          Computes line coverage information over a provided set of tests for
          the program inside a given container.
          """
          extractor = self.coverage_extractor(container)
          if tests is None:
              bugs = self.__installation.bugs
              bug = bugs[container.bug]
              tests = bug.tests
          return extractor.run(tests, instrument=instrument)